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Yongquan Qu, Teng Xue, Xing Zhong, Yung-Chen Lin, Lei Liao, Jina Choi and Xiangfeng Duan Heterointegration of Pt/Si/Ag Nanowire Photodiodes and Their Photocatalytic Properties Advanced Functional Materials 20

Article first published online: 14 SEP 2010 | DOI: 10.1002/adfm.201000857

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A Pt/Si/Ag heterostructure nanowire is created to integrate a metal-semiconductor Schottky diode with two separate metal catalysts to form a standalone photoelectric nanodevice for photocatalytic applications. Under light irradiation, the electron-hole pairs can be generated and quickly separated by the built-in potential and transport in two opposite directions towards the respective catalysts for redox reactions, enabling Pt/n-Si/Ag heterojunction nanowire photodiodes to function as highly efficient photocatalysts.

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